A constant stream of work coming in from industry made it possible to fund the personal projects. These films, mostly commissioned by British energy companies such as BP, Shell and British Gas were amongst the studios best and longest lasting productions. Films such as As Old as the Hills (the origins of oil) 1950, Moving Spirit (the history of the motor car) 1951, We’ve Come a Long Way (the history of tanker ships) 1952, Power to Fly (the history of aviation) 1953 and many others.